Acides aminés (AA)

Applications 4-Methylheptane (cas# 589-53-7) is a useful research chemical.

Impurity Rifaximin EP Impurity A
Applications 2-Amino-4-methylpyridine (Rifaximin EP Impurity A) is an impurity of Rifaximin.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package

Applications 2-Methoxypropene is used in the synthesis of Macrolactin A, a 24-member macrolide typically employed as an antibiotic. Also used in the synthesis of phenylalanine derivatives used as α4β1 and α4β7 receptor antagonists in the treatment of allergic asthma.
References Marino, K. et al.: J. Am. Chem. Soc., 12, 1664, (2002); Tilley, J. et al.: Bioorg. Med. Chem. Lett., 23, 1036 (2013);

066621 - 5-Amino-4-oxopentanoic acid hydrochloride

Applications 3-Methyl-1,3-butanediol is a useful compound in carbon oxygen coupling reactions.

Applications D,L-o-Tyrosine is a metabolite of Phenylalanine (P319415). A precursor in the formation of catecholamines. Used as biomarkers of protein oxidative damage in β-thalassemia.
References Tsugita, A., et al.: Eur. J. Biochem., 124, 585 (1982), Nielsen, F., et al.: Clin. Chem., 43, 1209 (1997), Mates, J., et al.: Clin. Biochem., 32, 595 (1999),

Impurity Ranitidine EP Impurity H
Applications N-Methylnitroacetamide (Ranitidine EP Impurity H) is a degradation product of Ranitidine (R120000).
References Sharma, N. et al.: Sci. Pharmac., 79, 309 (2011); Haywood, P.A. et al.: J. Chem. Soc., 5, 951 (1987);

Applications Used in the synthesis of DMPO-type spin traps.
References Konaka, R., et al.: Free Radical Res., 23, 15 (1995),

Stability Air Sensitive
Applications N-Methyl-L-cysteine Hydrochloride is an intermediate used to prepare analogs of pyochelin (P840365), a siderophore of Pseudomonas aeruginosa.
References Rivault, F., et al.: Tetrahedron, 60, 12139 (2004); Noel, S., et al.: Bioorgan. Chem. Lett., 24, 132 (2014); Ankenbauer, R., et al.: J. Bacteriol., 170, 5344 (1988)

Applications 3-Chloro-6,11-dihydro-5,5-dioxo-11-hydroxy-6-methyldibenzo[c,f][1,2]thiazepine, can beused in the synthesis of Dibenzo[c,f][1,2]thiazepine derivatives.
References Gilleron, P., et al.: Bioorg. Med. Chem. Lett., 17, 5465 (2007),

Stability Light Sensitive
Applications 2-Methyl-2-propen-1-ol has been used in the synthesis of C2-methyl-1,2-di-O-hexadecylglycerophosphocholine.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Bittman, R., Witzke N.M.: Chem. Physics Lipid, 50, 99 (1989)

Applications Ethyl 2-(4-Hydroxyphenyl)-4-methylthiazole-5-carboxylate is used in the synthesis of the major metabolites of Febuxostat (F229000), a xanthine oxidase/xanthine dehydrogenase inhibitor. Used for treatment of hyperuricemia and chronic gout. 40-120 mg/day febuxostat was proven effective in lowering serum urate levels when administered to manage hyperuricemia in patients with gout.
References Li, X., et. al.: Lett. Org. Chem., 12, 217 (2015); Vallu, V., et. al.: Anal. Chem. Indian J., 14, 339 (2014); Osada, Y., et al.: Eur. J. Pharmacol., 241, 183 (1993); Okamoto, K., et al.: J. Biol. Chem., 278, 1848 (2003); Mayer, M.D., et al.: Am. J. Therap., 12, 22 (2005); Tomlinson, B., et al.: Curr. Opin. Invest. Drugs, 6, 1168 (2005)

Applications A reagent used to synthesize 5-HT2A and 5-HT3 receptor ligands for use in treating CNS-related disorders.
References Bermudez, J., et al.: J. Med. Chem., 33, 1924 (1990),

Applications N-(4-Bromo-2-methylphenyl)-2-chloroacetamide (cas# 96686-51-0) is a useful research chemical.

Applications DL-glutamine

Applications 8-Methoxycarbonyloctanoic Acid (cas# 2104-19-0) is a compound useful in organic synthesis.

Applications 2-Methyl-pyrazine is an intermediate used to synthesize 5-Methyl-2(1H)-pyrazinone (M324900) which is a derivative of 2-Hydroxypyrazine (H952710). 2-Hydroxypyrazine (H952710) is used in the synthesis of potential antioxidants.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Shi, J. et al.: J. Phys. Org. Chem., 22, 1038 (2009); Bonde, C. et al.: Ind. J. Hetero. Chem., 10, 271 (2001);

Applications L-Aspartyl-L-phenylalanine is an impurity of Thiamine (T344185). Thiamine Impurity B.
References Aluwihare, L., et al.: Science, 308, 1007 (2005), Koch, B., et al.: Anal. Chem., 79, 1758 (2007), Reemtsma, T., et al.: Environ. Sci. Technol., 42, 1430 (2008),

Applications 2-Deoxy-2-chloro-D-glucose is a D-Glucose (G595000) derivative used in the synthesis of sugar nucleotides and oligosaccharides.
References Herr, D., et al.: Euro. J. App. Microbiol., 1, 41 (1975);

Applications 2-Ethyl-4-methyl-1-pentanol is a volatile chemical that can be used to diagnose ratoon stunting disease in Sugar cane.
References Berna, A. Z., et al.: Pro. of the Conf. of the Austr. Soc. of Sugar Cane Tech., 37th, 150-157 (2015)

Applications Important compounds in coffee aroma.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package

Applications 8-Bromo-7-(2-butyn-1-yl)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]-1H-purine-2,6-dione is an intermediate used to prepare selective inhibitors of dipeptidyl peptidase 4 (DPP4) for potential use in the treatment of type 2 diabetes.
References Sutton, J., et al.: Bioorg. Med. Chem. Lett., 22, 1464 (2012); Lai, Z., et al.: Eur. J. Med. Chem., 83, 547 (2014)

Applications 1-Methyl-1h-1,2,4-triazol-3-amine (cas# 49607-51-4) is a useful research chemical.

Stability Hygroscopic
Applications 4-Chloro-3-cyano-6-methoxy-7-[3-(4-methylpiperazin-1-yl)propoxy]quinoline is a useful reagent to prepare benzofuranyl derivatives for treating solid tumours. It is also an impurity of Bosutinib.
References Hennequin, L. F. A. PCT Int. Appl. (2003), WO 2003047585 A1 20030612 (2003); Hennequin, L. F. A., Gibson, K. H., Foote, K. M. PCT Int. Appl. WO 2003047582 A1 20030612 (2003)

Applications 2-Methylbutane is a useful synthetic intermediate. It was used in the synthesis of β-chiral sulfonamides.
E3
References Chuprakov, S., et al.: J. Am. Chem. Soc., 133, 10352 (2011);

Applications 2-ethyl-6-methylpyrazine (cas# 13925-03-6) is a useful research chemical.

Applications The urinary 1- and 3-methylhistidine (1- and 3-MH) metabolites as potential biomarkers of skeletal muscle toxicity. These metabolites were highly correlated to sex-, dose-, and time-dependent development of cerivastatin-induced myotoxicity. Natural but non-proteinogenic amino acid; employed as index of muscle protein breakdown.
References Berna, M., et al.: Anal. Chem., 79, 4199 (2007), Pritt, M., et al.: Toxicol. Sci., 103, 382 (2008), Tonomura, Y., et al.: Toxicology, 266, 48 (2009),

Applications p-Methoxytoluene is a building block that has been used as a reactant for the preparation of electrophilic fluorinating agents.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Baudoux, J., Cahard, D.: Org. Reactions, 69, 347 (2007)

Applications 1-Methoxy-2-propanol is used as a reagent in the synthesis of 2-amino-3-carboxy-4-phenylthiophenes as novel atypical protein kinase C inhibitors. Also used as a reagent in the synthesis of Metolachlor (M338700); a selective pre-emergence herbicide.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Titchenell, P.M., et al.: Bioorg. Med. Chem. Lett., 23, 3034 (2013); Zhang, H.: Nongyao Kexue Yu Guanli, 32, 26 (2011)

Applications A precursor to 3-Methyl-2-butenyl-1-thiol which is very unstable. We will provide a detailed procedure for the preparation of the thiol from the thiolacetate with spectral data upon request.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package

Applications 6-Chloro-2-methoxy-7-deazapurine (cas# 90057-08-2) is a compound useful in organic synthesis.

Stability Hygroscopic
Applications D-Histidine, Hydrochloride Monohydrate was a useful reagent for the preparation of diastereomeric histidine-containing dipeptides to analyze lipophilicity and ionization constants.
References Vistoli, G., et al.: Chirality, 24, 566 (2012)

Applications Intermediate for the preparation of Glimepiride.

Applications N-Boc-piperazine (cas# 57260-71-6) is a compound useful in organic synthesis.

Applications 4-(4-Methoxyphenyl)-2-butanone is also used in the synthesis of novel axially chiral Rh-NHC complexes. Used to synthesize carbonyl complexes as novel traceless linkers.
References Duan, W. et al.: Chem. Comm., 23, 2916 (2003); Gibson, S. et al.: Tetrahedron. Lett., 40, 1417 (1999);

Applications 2-Methoxy-3-methylaniline is an important building block.

Stability Moisture Sensitive
Applications A biologically active, cell permeable, but nonphysiologic ceramide analog. It inhibits cell proliferation and induces monocytic differentiation of HL-60 cells and induces apoptosis. It stimulates protein phosphatase 2A and activates MAP Kinase2.
References Inoue, T., et al.: J. Biol. Chem., 284, 9566 (2009), Kang, J., et al.: Bioorg. Med. Chem., 17, 1498 (2009), Rath, G., et al.: Int. J. Biochem. Cell Biol., 41, 1165 (2009),

Applications L-Threonine-2,3-d2 (CAS# 1202936-45-5) is a useful isotopically labeled research compound.

Applications L-Serine-13C3 is the isotope labelled analog of L-Serine (S270995); a compound used in the synthesis of purines and pyrimidines as antibacterial/antifungal agents, as well as acting as a proteinogenic compound.
References Olivella, M. et al.: Bioorg. Med. Chem., 20, 6109 (2012)

Applications 5-Hydroxy-2-methyl-1H-imidazole-1-ethanol is a degradation product of Metronidazole (M338880), an antibiotic.
References Perez, Tzayam, et al.: Electrochimica Acta, 165, 173-181 (2015)

Applications N-methyl-6-(2,2,2-trifluoroethoxy)-1,3,5-triazine-2,4-diamine (cas# 101988-70-9) is a useful research chemical.

Applications N-Succinimidyl 3-Methoxy-4-nitrobenzoate (cas# 2006277-78-5) is a useful research chemical.

Applications 2-Bromo-3-methylbutenoic Acid Methyl Ester (cas# 51263-40-2) is a compound useful in organic synthesis.

Stability Moisture Sensitive
Applications 2,3-dihydroxy-3-methylbutanoic acid (cas# 1756-18-9) is a useful research chemical.

Stability Hygroscopic
Applications 5-Methyl-2-furanmethanol (cas# 3857-25-8) is a compound useful in organic synthesis.

Impurity Cyclobenzaprine USP Related Compound A
Applications 5-Hydroxy-N-methylprotriptyline acts as a reducing agent in chemical reactions. Cyclobenzaprine USP Related Compound A.
References Gribble, G. et al.: Synthesis., 3, 172 (1977);

Applications 1-Methoxy-4-(1E)-1-propen-1-ylbenzene is a component of essential oils extracted from natural sources. It is also a possible inhibitor of protein kinase CK2α and CK2α’.
References Liang, Zhi-yuan, et al.: Shizhen Guoyi Guoyao, 25(7), 1602-1604 (2014);Benelli, Giovanni, et al.: Indus. Crops and Prod., 124, 236-243 (2018);Baier, Andrea, et al.: Phytochem., 136, 39-45 (2017)

Applications 7-Methoxy-1-naphthaleneacetamide, can be used for the synthesis of the analogs of Melatonin (M215000), containing naphthalene moiety instead of indole nucleus, having high affinity for the melatonin receptor. Agomelatine Impurity 6
References Tang, J. D., et al.: Org. Prep. Proc. Int., 41, 164 (2009); Sndrieux Y. J., et al.: J. Med. Chem., 35, 1484 (1992);

Applications A reagent for high performance polymer research.
References Fouassier, J., et al.: Polymer, 36, 5005 (1995),

Stability Hygroscopic
Applications Genetic incorporation of a metal-ion chelating amino acid into proteins as a biophysical probe.
References McRee, D., et al.: J. Struct. Biol., 125, 156 (1999), Wang, L., et al.: Science, 292, 498 (2001), Ioerger, T., et al.: Methods Enzymol., 374, 244 (2003),

Applications δ-Valerolactam-d4 is a labeled analog of δ-Valerolactam (V091440), which is a useful synthetic intermediate. It is an intermediate used to synthesize Cenicriviroc (C256550), an experimental drug candidate for the treatment of HIV infection. It is also a starting material for a new route to hexahydrojulolidines, using intramolecular 1,4-cycloaddition.
References Potts, K., et al. J. Org. Chem., 58, 5040 (1993); Klibanov, O., et al.: Curr. Opinion Invest. Drugs, 11, 940 (2010);

Applications 1-(4-Hydroxy-3-methoxyphenyl)-1-propanone is a derivative of Guaiacol, a precursor to various flavorants, such as eugenol and vanillin.
References Allen, C., et al.: Org. Synth., 3, 418 (1955); Esposito, L., et al.: Kirk-Othmer Encyclopedia of Chemical Technology, 4th edition, 24, 812 (1997)

Applications 5-Methylfurfural is a common chemical reagent used in a wide variety of chemical reactions and organic synthesis. Polycyclic pyridazine based derivatives are synthesized with this compound to form antimicrobial agents. Also used in the preparation of antiinflammatory diarylpentanoid analogues.
References Deeb, A. et al.: Eur. Chem. Bull., 3, 897 (2014); Leong, S. et al.: Molecules, 19, 16058 (2014);

Applications (3-Glycidoxypropyl)triethoxysilane is used in the fabric industry to treat and modify fabrics.
References Schramm, Christian, et al.: Coloration Tech., 133(3), 234-242 (2017);Grancaric, Ana Marija, et al.: Pro. in Org. Coatings, 103, 174-181 (2017); Yeo, Jun-Seok, et al.: J. of Ind. and Eng. Chem., 45, 301-306 (2017)

Applications Glycyl-D-phenylalanine (cas# 34258-14-5) is a useful research chemical.

M03001 - H-Gly-OH